Network servers and data communication

RabbitMQ - Message Broker

What is RabbitMQ?

RabbitMQ is the most popular open-source message broker implementing the AMQP protocol. Written in Erlang/OTP, it provides high availability, scalability, and reliable communication between applications.

First released
2007
Creator
Rabbit Technologies
Owner
VMware (Broadcom)
License
Mozilla Public License
1M+
Deployments
50+
Client libraries
99.9%
Uptime SLA
rabbitmq_example.js
// RabbitMQ Publisher Example
const amqp = require('amqplib');
async function publishMessage() {
const connection = await amqp.connect('amqp://localhost');
const channel = await connection.createChannel();
await channel.assertQueue('task_queue');
channel.sendToQueue('task_queue', Buffer.from('Hello World!'));
}
Message sent to queue:
✓ Connected to RabbitMQ
✓ Queue 'task_queue' ready
✓ Message published successfully
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Advantages of RabbitMQ in Business Projects

Why is RabbitMQ the most popular message broker? Key benefits backed by enterprise implementations.

Drawbacks of RabbitMQ – An Honest Assessment

Every solution has limitations. The main drawbacks of RabbitMQ and how to mitigate them in real projects.

What is RabbitMQ Used For?

The main use cases of RabbitMQ in 2025, with examples from top companies and our own projects.

Microservices Communication

Asynchronous communication, event sourcing, saga patterns

tech.useCases.frameworks
AMQP clientsSpring CloudNestJSCeleryMassTransit
tech.useCases.realExamples

Netflix microservices, Zalando event-driven architecture, Uber service mesh

Task Queues and Background Processing

Background jobs, scheduled tasks, retry mechanisms

tech.useCases.frameworks
Celery (Python)Sidekiq (Ruby)Bull (Node.js)Hangfire (.NET)
tech.useCases.realExamples

GitHub Actions, email sending systems, image processing pipelines

Event-Driven Architecture

Domain events, CQRS, event sourcing, publish-subscribe patterns

tech.useCases.frameworks
Apache CamelSpring IntegrationMediatREventStore
tech.useCases.realExamples

E-commerce order processing, IoT device management, real-time notifications

Load Balancing and Work Distribution

Load balancing, work queues, competitive consumers

tech.useCases.frameworks
HAProxyNginxConsul ConnectIstio service mesh
tech.useCases.realExamples

Video transcoding farms, data processing clusters, batch job distribution

RabbitMQ Projects – SoftwareLogic.co

Our RabbitMQ-based systems in production – microservices, task queues, event-driven architecture.

OMS system for thousands of operations per minute
Imker.pl
E-commerce & Logistics

OMS system for thousands of operations per minute

offers.common.challenge

Fulfillment handling for hundreds of stores required a central order management system

offers.common.solution

We built a central OMS platform with integrations to all major e-commerce platforms

offers.common.impact

Thousands of orders processed automatically daily, zero manual work on labels

Marketing automation for e-commerce stores
DropUI.com
Marketing Automation SaaS

Marketing automation for e-commerce stores

offers.common.challenge

E-commerce companies needed tools for marketing campaign automation and personalization

offers.common.solution

We created a platform connecting on-site marketing (pop-ups, banners) with off-site (email, sms, webpush)

offers.common.impact

40% conversion increase, campaign automation for hundreds of online stores

ERP system with electronic document workflow
Simba ERP
Business Automation

ERP system with electronic document workflow

offers.common.challenge

Small and medium companies needed an affordable ERP system

offers.common.solution

We built a comprehensive ERP with electronic document workflow

offers.common.impact

Accounting process automation, integration with external systems

Automated order cost analysis
ISO-Trade.eu
Business Automation System

Automated order cost analysis

offers.common.challenge

Hundreds of thousands of orders monthly, no fast tool for analyzing Allegro costs and commissions

offers.common.solution

We built an API that automatically retrieves and processes cost data from multiple Allegro stores

offers.common.impact

Full automation of financial data, elimination of manual work, faster business decisions

Legacy PHP modernization to scalable Django
CateroMarket.pl
Platform Modernization

Legacy PHP modernization to scalable Django

offers.common.challenge

Old PHP application didn't scale and was hard to maintain

offers.common.solution

We rewrote the entire platform to Python/Django while preserving functionality

offers.common.impact

10x better performance, easier feature additions, system stability

FAQ: RabbitMQ – Frequently Asked Questions

Comprehensive answers to questions about the RabbitMQ message broker.

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